Immortalization of human marrow stromal cells by retroviral transduction with a temperature sensitive oncogene: identification of bipotential precursor cells capable of directed differentiation to either an osteoblast or adipocyte phenotype.

Abstract excerpt

The etiology of osteoporosis is multifactorial, but there is evidence from both animal and human studies that the volume of marrow adipose tissue increases when bone volume is reduced in osteoporosis. The cell-related mechanism that may account for this inverse relationship between the volume of marrow adipose tissue and bone remains to be clarified, although it is known that both adipocytes and osteoblasts are...

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